How to setup SOAP Authentication & Solve Issue for Protocol mismatch for port 8420: engine's protocol is http, the url protocol is https

[Rishab1]

Hi , I have 2 issues here which i want to solve :

1. I am looking to fetch data from a SOAP link , which has username password authentication the first link (WDSL) is "http" which ask for username password and when i enter the correct details it takes to "https" from where we will receive payload as in data.
2. I have extracted WDSL schema in in "Services" tab and it shows me 2 links as shown in the picture below , the schema is correct .

So i have 2 questions , how to provide the username password authentication and how to solve the error which i am getting "Protocol mismatch for port 8420: engine's protocol is http, the url protocol is https".